SNVU747 September   2020 LM34966-Q1

 

  1.   Trademarks
  2. 1Introduction
    1. 1.1 Features
    2. 1.2 Applications Schematic
    3. 1.3 Electrical Parameters
  3. 2EVM Setup
    1. 2.1 EVM Connectors and Test Points
  4. 3Testing Procedures
    1. 3.1 Testing Equipment
    2. 3.2 Precautions
  5. 4Test Results
    1. 4.1 Efficiency Curve
    2. 4.2 Load Regulation
    3. 4.3 Thermal Performance
    4. 4.4 Steady State Waveforms
    5. 4.5 Start-up Waveforms
    6. 4.6 Load Transient Waveforms
    7. 4.7 Load Short-Circuit
    8. 4.8 AC Loop Response
  6. 5PCB Layout
  7. 6Schematics
  8. 7Bill of Materials

7 Bill of Materials

Table 7-1 LM5156HEVM-FLY Bill of Materials

Designa-tor

Quan-tity

Value

Description

Package Reference

PartNumber

Manufacturer

C1

1

680pF

CAP, CERM, 680 pF, 100 V, +/- 10%, X7R, 0603

0603

GRM188R72A681KA01D

MuRata

C2

1

100uF

CAP, Polymer Hybrid, 100 uF, 50 V, +/- 20%, 28 ohm, 10x10 SMD

10x10

EEHZC1H101P

Panasonic

C3

1

0.1uF

CAP, CERM, 0.1 uF, 50 V, +/- 20%, X7R, 0805

0805

08055C104MAT2A

AVX

C4, C5

2

1uF

CAP, CERM, 1 uF, 50 V, +/- 10%, X7R, 0805

0805

08055C105KAT2A

AVX

C6

1

4.7uF

CAP, CERM, 4.7 uF, 50 V, +/- 10%, X7R, 1206

1206

C3216X7R1H475K160AC

TDK

C7, C8

2

270uF

CAP, Aluminum Polymer, 270 uF, 25 V, +/- 20%, 0.027 ohm, D10xL12.7mm SMD

D10xL12.7mm

PCV1E271MCL1GS

Nichicon

C9, C10

2

10uF

CAP, CERM, 10 uF, 25 V,+/- 10%, X7R, 1210

1210

885012209028

Wurth Elektronik

C11, C13

2

0.1uF

CAP, CERM, 0.1 uF, 25 V, +/- 10%, X7R, 0603

0603

C1608X7R1E104K080AA

TDK

C12

1

1000pF

CAP, CERM, 1000 pF, 50 V, +/- 5%, C0G/NP0, 0603

0603

GRM1885C1H102JA01D

MuRata

C14

1

0.01uF

CAP, CERM, 0.01 uF, 50 V, +/- 10%, X7R, AEC-Q200 Grade 1, 0603

0603

GCM188R71H103KA37D

MuRata

C15

1

4.7uF

CAP, CERM, 4.7 uF, 35 V, +/- 10%, X5R, 0603

0603

GRM188R6YA475KE15D

MuRata

C16

1

0.33uF

CAP, CERM, 0.33 uF, 100 V, +/- 10%, X7R,

C3216X7R2A334K130AA

TDK

C17

1

1uF

CAP, CERM, 1 uF, 16 V, +/- 20%, X7R, AEC-Q200 Grade 1, 0603

0603

GCM188R71C105MA64D

MuRata

C18

1

0.1uF

CAP, CERM, 0.1 uF, 50 V, +/- 10%, X7R, 0603

0603

C1608X7R1H104K080AA

TDK

C19

1

470pF

CAP, CERM, 470 pF, 50 V, +/- 5%, C0G/NP0, 0402

0402

GRM1555C1H471JA01D

MuRata

C20

1

4.7uF

CAP, CERM, 4.7 uF, 10 V, +/- 20%, X7S, 0603

0603

GRM188C71A475KE11D

MuRata

C21

1

220pF

CAP, CERM, 220 pF, 50 V, +/- 5%, C0G/NP0, 0603

0603

C0603C221J5GACTU

Kemet

C22

1

0.01uF

CAP, CERM, 0.01 uF, 50 V, +/- 5%, C0G/NP0, 0603

0603

GRM1885C1H103JA01D

MuRata

C24, C26

2

0.22uF

CAP, CERM, 0.22 µF, 16 V,+/- 10%, X7R, AEC-Q200 Grade 1, 0603

0603

CL10B224KO8VPNC

Samsung

C28

1

1000pF

CAP, CERM, 1000 pF, 2000 V, +/- 10%, X7R, 1812

1812

1812GC102KA1

AVX

D1

1

30V

Diode, Schottky, 30 V, 10 A, AEC-Q101, TO-277A

TO-277A

SS10P3-M3/86A

Vishay-Semiconductor

D2, D5

2

100V

Diode, Switching, 100 V, 0.2 A, SOD-323

SOD-323

MMDL914-TP

Micro Commercial Components

D3

1

150V

Diode, Superfast Rectifier, 150 V, 1 A, SMA

SMA

ES1C-13-F

Diodes Inc.

D4

1

30V

Diode, Schottky, 30 V, 0.2 A, SOT-323

SOT-323

BAT54SWT1G

Fairchild Semiconductor

Q1

1

100V

MOSFET, N-CH, 100 V, 13 A, DQJ0008A (VSONP-8)

DQJ0008A

CSD19533Q5A

Texas Instruments

R1

1

15.0

RES, 15.0, 1%, 0.5 W, 1210

1210

ERJ-14NF15R0U

Panasonic

R2, R11

2

100

RES, 100, 1%, 0.1 W, AEC-Q200 Grade 0, 0603

0603

ERJ-3EKF1000V

Panasonic

R3

1

0

RES, 0, 1%, 0.1 W, AEC-Q200 Grade 0, 0603

0603

RMCF0603ZT0R00

Stackpole Electronics Inc

R4

1

30.1k

RES, 30.1 k, 1%, 1 W, AEC-Q200 Grade 0, 2512

2512

CRCW251230K1FKEG

Vishay-Dale

R6, R9

2

100k

RES, 100 k, 1%, 0.1 W, AEC-Q200 Grade 0, 0603

0603

CRCW0603100KFKEA

Vishay-Dale

R7

1

10.0

RES, 10.0, 1%, 0.1 W, AEC-Q200 Grade 0, 0603

0603

CRCW060310R0FKEA

Vishay-Dale

R8, R10, R24

3

0

RES, 0, 5%, 0.1 W, AEC-Q200 Grade 0, 0603

0603

ERJ-3GEY0R00V

Panasonic

R12

1

0.02

RES, 0.02, 1%, 1 W, 0612

0612

PRL1632-R020-F-T1

Susumu Co Ltd

R13

1

49.9k

RES, 49.9 k, 1%, 0.1 W, AEC-Q200 Grade 0, 0603

0603

ERJ-3EKF4992V

Panasonic

R14

1

1.00k

RES, 1.00 k, 1%, 0.1 W, 0603

0603

ERJ-3EKF1001V

Panasonic

R16, R22

2

9.76k

RES, 9.76 k, 1%, 0.1 W, AEC-Q200 Grade 0, 0603

0603

CRCW06039K76FKEA

Vishay-Dale

R17

1

86.6k

RES, 86.6 k, 1%, 0.1 W, AEC-Q200 Grade 0, 0603

0603

CRCW060386K6FKEA

Vishay-Dale

R18

1

4.99k

RES, 4.99 k, 1%, 0.1 W, AEC-Q200 Grade 0, 0603

0603

CRCW06034K99FKEA

Vishay-Dale

R19

1

30.0k

RES, 30.0 k, 1%, 0.1 W, 0603

0603

RC0603FR-0730KL

Yageo

R20, R21

2

1.00k

RES, 1.00 k, 0.1%, 0.1 W, AEC-Q200 Grade 0, 0603

0603

ERA3AEB102V

Panasonic

T1

1

21uH

Transformer, 21 uH, SMT

13.97x18.25mm

750317933

Wurth Elektronik

U1

1

500kHz Wide VIN Non-synchronous Boost/SEPIC/Flyback Controller

TSSOP14

LM34966QPWPR

Texas Instruments

U2

1

Optocoupler, 2.5 kV, 100-200% CTR, SMT

PS2811-1

PS2811-1-M-A

California Eastern Laboratories

U3

1

Low-Voltage (1.24V) Adjustable Precision Shunt Regulators, 3-pin SOT-23, Pb-Free

DBZ0003A

LMV431BIMF/NOPB

Texas Instruments